Fix “One or more field types are not installed properly. Go to the list settings page to delete these fields.” Error in SharePoint CAML Query

Problem: I got this error when retrieving list items using CAML SPQuery. Root Cause: There was a field “Artifact ID” in the list, but the internal name was “Artifact”, resulting in an error! Correcting the internal name in the Query XML fixed the problem. In another case, I got this error:“The following…

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